Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Vehicle Certification (VC) Label Locator
The upper portion of the vehicle certification (VC) label contains the
manufacturer name, the month
and year of manufacture, the certification statement and the VIN. It also
includes gross vehicle weight
ratings (GVWR). The VC label is located on the left- ...
Fuel Tank Draining
Special Tool(s)
Fuel Storage Tanker
164-R3202 or equivalent
Fuel Tank Drain Hose
310-F013
WARNING: Do not smoke or carry lighted tobacco or an open flame of any
type when
working on or near any fuel-related components. Highly fla ...
Fluid Pan, Gasket and Filter
Material
Item
Specification
MERCON V Automatic
Transmission Fluid
XT-5-QM, XT-5-DM
MERCON V
1. Normal maintenance requires periodic automatic transmission fluid changes.
If a major repair,
such as a clutch, band, bearing, etc., is requir ...
